USN-765-1: Firefox and Xulrunner vulnerabilities

Ubuntu Security Notice USN-765-1

firefox-3.0, xulrunner-1.9 vulnerabilities

A security issue affects these releases of Ubuntu and its
derivatives:

Ubuntu 9.04

Ubuntu 8.10

Ubuntu 8.04 LTS

Software description

firefox-3.0

xulrunner-1.9

Details

It was discovered that the upstream security fixes in USN-764-1 introduceda regression which could cause the browser to crash. If a user were trickedinto viewing a malicious website, a remote attacker could cause a denial ofservice or possibly execute arbitrary code with the privileges of the userinvoking the program.

Update instructions

The problem can be corrected by updating your system to the following
package version: